Number System √343 = ? 18 20 19 21 18 20 19 21 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = √343 = 18
Number System The square root of 3 + “5 is : “3 /2 + 1/”2 “5 /2 - 1/”2 “3 /2 - 1/”2 “(5/2) + “(1/2) “3 /2 + 1/”2 “5 /2 - 1/”2 “3 /2 - 1/”2 “(5/2) + “(1/2) ANSWER EXPLANATION DOWNLOAD EXAMIANS APP “(5/2) + “(1/2)
Number System The number of prime factors of (6)10×(7)17×(55)27 91 61 101 41 91 61 101 41 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 91
Number System If the sum of one-half of a number exceeds one-third of that number by 7 1/3, the number is: 15 18 30 20 15 18 30 20 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be x. Then,(1/2 x + 1/5 x) - 1/3 x = 22/311/30 x = 22/3x = 20
Number System ind the number, difference between number and its 3/5 is 50 123 125 124 120 123 125 124 120 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number = x,Then, x-(3/5)x = 50,=> (2/5)x = 50 => 2x = 50*5,=> x = 125
Number System In a two-digit number, if it is known that its unit's digit exceeds its ten's digit by 2 and that the product of the given number and the sum of its digits is equal to 144, then the number is: 46 26 24 42 46 26 24 42 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the ten's digit be x. Then, unit's digit = x + 2. Number = 10x + (x + 2) = 11x + 2 Sum of digits = x + (x + 2) = 2x + 2 (11x + 2)(2x + 2) = 144 2x2 + 26x - 140 = 0 (x - 2)(11x + 35) = 0 x = 2Hence, required number = 11x + 2 = 24.
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